mr.sanders___ on a business trip to Tokyo until the end of tis week,
so he will not be able to complete the sales report as scheduled.
A - would have been
B- will be
C - will have been
D - was being
여기서 B가 정답인데 그 이유가 C - 미래완료랑 until은 같이 못쓰여서 그런거라는데.. 왜그런거죠?
2
